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Thermostat Replacement

WARNING: This page is about a different car, the 2008 Honda Pilot, 2007 Honda Pilot, and 2006 Honda Pilot. However, it is still accessible from the selected car via links, so may be relevant.
  1. Make sure you have the anti-theft codes for the radio and navigation system, then write down the customer's audio presets.
  2. Disconnect the negative cable from the battery.
  3. Drain the engine coolant (see COOLANT REPLACEMENT  ).
  4. Disconnect the breather pipe (A), then remove the intake air duct (B).
    Fig 1: Disconnecting Breather Pipe & Removing Intake Air Duct
    G04245022Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Remove the thermostat cover (A), then remove the thermostat (B).
    Fig 2: Removing Thermostat Cover And Thermostat With Torque Specifications
    G04245023Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. Install the new rubber seal (C) onto the thermostat, then install the thermostat with pin (D) up, and install the thermostat cover.
  7. Install the intake air duct, then connect the breather pipe.
  8. Connect the negative cable to the battery.
  9. Refill the radiator with engine coolant, then bleed air from the cooling system (see step  8 ).
  10. Clean up any spilled engine coolant.
  11. Do the power window reset procedure (see RESETTING THE POWER WINDOW CONTROL UNIT ).
  12. Enter the anti-theft codes for the radio and the navigation system, then enter the customer's audio presets.
  13. Set the clock. (on vehicles without navigation).
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